There are 10 owner-reported engine complaints for the 2010 Hyundai Genesis Coupein NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
The 2.0T engine failed and the vehicle is currently at Hyundai service department waiting on my warranty company to do an inspection of the engine. My safety was at risk as the engine failed during normal operation of the vehicle on a busy city street near a blind curve which other vehicles travel at high rates of speed. Hyundai Service department has confirmed the engine has failed which it needs to be replaced/rebuilt. Hyundai Service department has inspected the vehicle. Waiting on inspection from warranty company. There were no warning lights or symptoms prior to the engine failure. Thankfully I was not operating the vehicle on the expressway as I normally do on my way home which could have put me in a much more dangerous scenario when the engine failed. When the engine failed it started to effect other components in the vehicle, as I started to completely lose the ability to maneuver the vehicle putting myself in a dangerous situation.
I WAS DRIVING MY VEHICLE TURNING ON TO A MAIN STREET FROM A HIGHWAY. WITHOUT WARNING THE CAR ENTERED LIMP MODE. I DID NOT HAVE ANY ENGINE RESPONSE AND THE CAR WOULD NOT DO MORE THAN ABOUT 10 MILES AN HOUR. I PULLED OFF THE ROAD AND RESTARTED THE CAR. I WAS ABLE TO GET THE CAR TO THE DEALERSHIP. DEALERSHIP SAYS CAR HAS CODES FOR FAULTY THROTTLE POSITION SENSOR AND IT NEED TO BE REPLACED. I HAVE SEEN OTHER PEOPLE WITH A SIMILAR ISSUE.
TL* THE CONTACT OWNS A 2010 HYUNDAI GENESIS. WHILE DRIVING APPROXIMATELY 45 MPH, THE VEHICLE STALLED WITHOUT WARNING. THE VEHICLE FAILED TO RESTART AND WAS TOWED TO THE DEALER. THE MECHANIC WAS UNABLE TO LOCATE THE FAILURE. THE FAILURE RECURRED THREE DAYS LATER. THE VEHICLE WAS TOWED BACK TO THE DEALER FOR A SECOND TIME. THE VEHICLE WAS IN THE PROCESS OF BEING DIAGNOSED. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 75,000.
I WAS DRIVING ON ROUTE 81 TO HARRISBURG AND HEARD A LOUD NOISE AND MY ENGINE JUST SHUT OFF. I HAD TO COAST OVER TO THE SIDE OF THE ROAD TO A SAFE PLACE. I HAD TO GET MY CAR TOWED AND MY MECHANIC INSPECTED THE VEHICLE AND ADVISED THAT THE CONNECTING ROD INSIDE THE ENGINE BROKE AND PUT A HOLE IN THE ENGINE AND THE OIL TANK. I HAD TO GET THE CAR TOWED AND WHILE IT WAS ON THE TOW TRUCK I SAW THE OIL JUST POURING OUT OF THE BOTTOM OF THE VEHICLE. THE TECHNICIAN TOLD ME THAT THIS IS VERY ODD FOR THIS TO BREAK. HE SAID IT IS MOST LIKELY A MANUFACTURERS DEFECT BECAUSE THIS DOES NOT JUST HAPPEN. OIL TANK WAS FULL WITH OIL AND THE CAR HAS BEEN WELL TAKEN CAR OF. ANY OTHER INCIDENTS LIKE THIS ONE?
I HAVE COMPLAINED AT LEAST 2 OR 3 TIMES CONCERNING A SUDDEN ACCELERATION FROM THE STOP POSITION. THE ENGINE REVS UP AND THE CAR TAKES OFF WITHOUT MY DOING IT. I'VE REPORTED THIS IN 2014, AND 2016 - NOW I SEE THERE'S A RECALL FOR THE TRANSMISSION BUT MY CAR ISN'T ONE OF THEM? REALLY...
TOOK MY CAR IN FOR SERVICING AND ASKED THEM TO CHECK MY AIR CONDITIONING UNIT. NO COOL AIR FROM THE SYSTEM. THE TECHNICIAN SAID A PIECE OF GLASS AND WIRE RESEMBLING PART OF A TIRE RETREAD HAD SOMEHOW PASSED THROUGH THE GRILL AND DAMAGED THE CONDENSER. THUS, FREON LEAKED OUT OVER TIME RESULTING IN LACK OF COOL AIR. THE SERVICE CLERK SAID HE HAD HEARD THAT THIS HAD OCCURRED IN THE PAST WITH OTHER HYUNDAI GENESIS. INTERESTING HOW THERE IS NO DAMAGE TO THE FRONT END OF THE CAR OR THE GRILL. DOES NOT SOUND FEASIBLE THAT A PIECE OF GLASS (2 INCHES BY 1 INCH WITH QUARTER INCH THICKNESS) AND WIRE (7 INCHES) COULD SNEAK THROUGH GRILL AND HIT WITH VELOCITY TO DAMAGE A CONDENSER WITH NO DAMAGE TO THE GRILL. ARE GRILL SLATS TOO WIDE OR IS THERE A LACK OF UNDER CARRIAGE PROTECTION? THE DEALERSHIP KEPT THE GLASS AND WIRE AND SUGGESTED THAT I CONTACT MY INSURANCE COMPANY AS THIS ESTIMATED $1000 ITEM WAS NOT COVERED BY THE HYUNDAI 5 YEAR, 60 THOUSAND MILE WARRANTY. *TR
WHILE THE CAR IS WARMED UP AND AT OPERATING TEMPERATURE, THE RPMS WILL "HANG" (HOVER AROUND 2500 RPMS) FOR 3-5 SECONDS BEFORE RETURNING TO IDLE. *TR
WHILE DRIVING MY 2010 HYUNDAI GENESIS SEDAN I BEGAN TO FEEL DIZZY AND LIGHT HEADED. MY HEART BEGAN TO RACE AND MY HANDS BECAME NUMB AND TINGLY. THIS ALSO HAPPENED BRIEFLY YESTERDAY ( 8/1/11 ). UPON EXITING THE VEHICLE, THERE WAS A VERY STRONG SMELL OF GASOLINE. A FRIEND DROVE ME TO THE ER WHERE I DESCRIBED MY SYMPTOMS TO THE DOCTOR ON DUTY. AFTER DRAWING MY BLOOD, IT WAS DETERMINED THAT MY CO - CARBON MONOIXDE, LEVEL WAS HIGHER THAN NORMAL - 3 TIMES NORMAL. I HAD BEEN IN THE CAR FOR APPROXIMATELY 3 HOURS TODAY. WHEN I WENT TO DRIVE THE VEHICLE TO A HOTEL, I HAD TO PUT ALL WINDOWS DOWN AND SUNROOF OPEN BECAUSE OF THE GAS VAPORS. I HAVE REPORTED THIS TO HYUNDAI OF NORTH AMERICA AND THEY ARE TOWING THE CAR TO DEALERSHIP TO INVESTIGATE. *KB
SMALL PEBBLE WENT THROUGH THE FRONT GRILL WHILE DRIVING MY HYUNDAI GENESIS 2010 MODEL AND DAMAGED CONDENSER COSTING ME $800. THIS WAS NOT COVERED FOR WARRANTY AND THE SAD PART IS THIS COULD HAPPEN ANYTIME ANYWHERE AGAIN. HYUNDAI GENESIS HAS NO PROTECTION ON FRONT GRILL WITH HUGE SPACING. THIS IS A DESIGN DEFECT THAT NEEDS TO BE ADDRESSED. I STILL HAVE NO AIR CONDITIONING IN MY BRAND NEW HYUNDAI GENESIS. *TR
THIS IS A RECURRING HESITATION PROBLEM. I FIRST NOTICED THIS WHEN MAKING A TURN INTO TRAFFIC. THE HESITATION IS SIGNIFICANT. IN SOME CASES THERE IS AN ACCELERATION PAUSE OF 1-2 SECONDS. THIS DOES NOT OCCUR EVERY TIME I ACCELERATE BUT ITS LACK OF PREDICTABILITY IS A PROBLEM IN AND OF ITSELF. I HAVE COME CLOSE TO BEING REAR ENDED BECAUSE THE CAR WOULD JUST NOT MOVE WHEN I PRESSED THE ACCELERATOR. ALSO, WHEN THE CAR WINDOWS ARE UP AND THE CAR SITS IN THE SUN FOR A FEW HOURS THE CENTRAL NAV AND COMMUNICATION SYSTEM OVER HEATS AND WILL NOT FUNCTION UNTIL IT COOLS OFF (MAYBE 20 MINUTES). IN THE MEANTIME, BACK UP CAMERA DOES NOT WORK, TEMPERATURE CONTROLS DO NOT WORK AND THE BLUETOOTH SYSTEM DOES NOT FUNCTION.
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 25, 2026